Retrofit Surge Protection Units
- Suitable for use on TN-C-S (PME) / TN-S / & TT networks.
- Provides protection against the effects of transient over voltages.
- Ideal for installation where it is not possible to accommodate a suitable surge arrester directly within the existing consumer unit.
- Designed and tested for use with Lewden branded distribution boards.
- 5-year warranty.
- Integral coloured flag indicating SPD health status.
Technical Specification:
Surge Protective Class: Type 2
Manufacturing Material: Steel
Protection: MCB
Frequency: 50-60Hz
Phase: 1
Rated Operating Voltage: 230V
Earthing Systems: TT
Earthing Systems: TN-C-S-(PME)
Earthing Systems:TN-S
Nm dischar. current(In)(8/20uS: 40kA (N/PE)
Nm dischar. current(In)(8/20uS: 20kA (L/N,L/PE)
Voltage Protection Level (Up): <1,5kV (L/PE)
Voltage Protection Level (Up): <1,5kV (L/N)
Voltage Protection Level (Up): <1,5kV (N/PE)
For cables ø: 35mm²
Dimensions: 250x135x87mm (HWD)
Net Weight: 1.87KG
Standards: EN 61643-11:2012, EN 61439-2:2011, IEC 61643-11:2011, EN 61439-1:2011
